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CAF to ALAC (M4A) - Online Audio Converter
Convert CAF to ALAC (M4A) online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert CAF to ALAC (M4A)
Drop CAF audio here or click to select
CAF
ALAC (M4A) (ALAC)
About CAF to ALAC (M4A)
Convert CAF to ALAC (M4A). CAF is Apple's 64-bit container for large recordings beyond WAV limits. ALAC is Apple's lossless codec stored inside M4A files. Stays bit-identical to WAV while tagging like AAC..
Why convert CAF to ALAC (M4A)?
- Larger files than lossy shares with ALAC (M4A) lossless quality.
- Keep quality where supported.
- Private, no upload - runs in your browser.
CAF vs ALAC (M4A)
| Codec | PCM 16-bit | ALAC |
|---|---|---|
| Compression | uncompressed | lossless |
| Sample behavior | Full quality kept | Full quality kept |
| Typical use | CAF is Apple's 64-bit container for large recordings beyond WAV limits. | ALAC is Apple's lossless codec stored inside M4A files. |
When not to convert CAF to ALAC (M4A)
- Skip ALAC (M4A) for the smallest share: lossless output stays large, so prefer a lossy target when sending CAF files.
- Keep a master copy: repeated exports stack small losses, so archive CAF before batch ALAC (M4A) shares.
Limits
Starting point: CAF - CAF is Apple's 64-bit container for large recordings beyond WAV limits. Few Windows tools open it; convert WAV for sharing. Stays bit-identical to WAV while tagging like AAC. Encode ALAC (M4A) (ALAC) from CAF at 256k for music or 128k for speech, starting from the master.
How conversion works
Conversion runs entirely in your browser with FFmpeg WASM. Files never leave your device.
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FAQ
How do I convert CAF to ALAC (M4A)?
Drop your CAF file onto this page, choose quality and codec settings, then click Convert. The result downloads as ALAC (M4A) instantly. All processing runs in your browser.
What codec is used for ALAC (M4A)?
The default codec for ALAC (M4A) is ALAC. You can change audio parameters in Advanced mode.
How do you store my files?
We do not store any processed audio. All conversion happens entirely in your browser using FFmpeg WASM.